(function flexible(window, document) {
 
    // flexible.js原代码
    var docEl = document.documentElement
    var dpr = window.devicePixelRatio || 1
   
    // adjust body font size
    function setBodyFontSize() {
        if (document.body) {
            document.body.style.fontSize = (12 * dpr) + 'px'
        } else {
            document.addEventListener('DOMContentLoaded', setBodyFontSize)
        }
    }
    setBodyFontSize();
   
    // set 1rem = viewWidth / 10
    function setRemUnit() {
        var rem = docEl.clientWidth / 101
        docEl.style.fontSize = rem + 'px'
    }
   
    setRemUnit()
   
    // reset rem unit on page resize
    window.addEventListener('resize', setRemUnit);
    window.addEventListener('pageshow', function(e) {
        if (e.persisted) {
            setRemUnit()
        }
    })
   
    // detect 0.5px supports
    if (dpr >= 2) {
        var fakeBody = document.createElement('body')
        var testElement = document.createElement('div')
        testElement.style.border = '.5px solid transparent'
        fakeBody.appendChild(testElement)
        docEl.appendChild(fakeBody)
        if (testElement.offsetHeight === 1) {
            docEl.classList.add('hairlines')
        }
        docEl.removeChild(fakeBody)
    }
   
   
   
   }(window, document));
   
   // 窗体变化监听
   $(window).resize(function() {
   // 查询窗口宽度并设置1rem的像素值
    var windowWidth = $(window).width() / 101.59;
   // 设置css
    $(html).css("font-size", windowWidth + "px!important")
   
   }) 